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接种一次麻疹疫苗终身免疫?来源:很多人认为,已经接种过麻疹疫苗就可以终身免疫了。这种看法对不对呢?真相:麻疹是一种常见的急性呼吸道传染病,冬春季是高发期。目前接种疫苗仍是预防麻疹最有效的措施。但麻疹疫苗并非终身免疫。接种麻疹疫苗后,最早12天血中会出现抗体,1个月时抗体达高峰,2-6个月后血中的抗体逐渐下降,但仍维持在一定水平,使人们不会感染麻疹。这种抗体一般维持10-12年,
Immunization of a measles vaccine for life? Source: Many believe vaccination against measles has been lifelong immunized. Is this incorrect? The truth: Measles is a common acute respiratory infection, with high incidence in winter and spring. The current vaccination is still the most effective measure to prevent measles. But measles vaccine is not lifelong immunization. Antibodies appear in the blood at the earliest 12 days after measles vaccination. The antibody reaches a peak at 1 month. Antibody in the blood gradually declines after 2-6 months, but it remains at a level so that people do not get measles. This antibody is generally maintained for 10-12 years,